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Date: Wed, 25 Oct 2006 08:56:21 -0500
From: Ben Duncan <ben@versaccounting.com>
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To: linux-kernel@vger.kernel.org
Subject: EIP Errors kernel 2.6.18 .AND hard lockup ... Revisted
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Ok, Same stuff, different day. Took the nVidia drivers out.
Ran HOT MEM checks, all passed (elimnating RAM issues).

Same as this time last month.

Got hard lock ups every 2 - 3 days. No syslog / debug ever given -
pdflush ,when top is left running on console - shows 100% CPU usage.

FINALLY got this morning a EIP error :

Oct 25 04:45:02 desktop kernel: BUG: unable to handle kernel NULL pointer dereference at 
virtual address 00000020
Oct 25 04:45:02 desktop kernel:  printing eip:
Oct 25 04:45:02 desktop kernel: c0160620
Oct 25 04:45:02 desktop kernel: *pde = 00000000
Oct 25 04:45:02 desktop kernel: Oops: 0000 [#1]
Oct 25 04:45:02 desktop kernel: DEBUG_PAGEALLOC
Oct 25 04:45:02 desktop kernel: Modules linked in: nls_iso8859_15 usb_storage uhci_hcd 
nvidia_agp i2c_nforce2 sata_nv sd
_mod ide_scsi agpgart sata_sil libata genrtc
Oct 25 04:45:02 desktop kernel: CPU:    0
Oct 25 04:45:02 desktop kernel: EIP:    0060:[<c0160620>]    Not tainted VLI
Oct 25 04:45:02 desktop kernel: EFLAGS: 00010283   (2.6.18 #1)
Oct 25 04:45:02 desktop kernel: EIP is at iput+0x17/0x65
Oct 25 04:45:02 desktop kernel: eax: 00000000   ebx: cf2aee70   ecx: cf2aee88   edx: f7cf4000
Oct 25 04:45:02 desktop kernel: esi: cf2aee70   edi: d5e8c128   ebp: f7cf5e84   esp: f7cf5e80
Oct 25 04:45:02 desktop kernel: ds: 007b   es: 007b   ss: 0068
Oct 25 04:45:02 desktop kernel: Process kswapd0 (pid: 182, ti=f7cf4000 task=f7cdaa90 
task.ti=f7cf4000)
Oct 25 04:45:02 desktop kernel: Stack: d5e8c120 f7cf5e98 c015dc4e d5e8c120 d5e8c120 d5e8c128 
f7cf5ea8 c015e093
Oct 25 04:45:02 desktop kernel:        f5e96e34 d5e8c120 f7cf5ec4 c015e1cc 00000000 0000003c 
00017124 00000000
Oct 25 04:45:02 desktop kernel:        000000a6 f7cf5ecc c015e441 f7cf5f08 c0136fef 005c4900 
00000000 00017124
Oct 25 04:45:02 desktop kernel: Call Trace:
Oct 25 04:45:02 desktop kernel:  [<c0103485>] show_stack_log_lvl+0x8f/0x97
Oct 25 04:45:02 desktop kernel:  [<c01035e6>] show_registers+0x116/0x17f
Oct 25 04:45:02 desktop kernel:  [<c01037cb>] die+0x108/0x1ba
Oct 25 04:45:02 desktop kernel:  [<c010ecb3>] do_page_fault+0x3a4/0x481
Oct 25 04:45:02 desktop kernel:  [<c0103161>] error_code+0x39/0x40
Oct 25 04:45:02 desktop kernel:  [<c015dc4e>] dentry_iput+0x5b/0x73
Oct 25 04:45:02 desktop kernel:  [<c015e093>] prune_one_dentry+0x56/0x79
Oct 25 04:45:02 desktop kernel:  [<c015e1cc>] prune_dcache+0x116/0x14a
Oct 25 04:45:02 desktop kernel:  [<c015e441>] shrink_dcache_memory+0x19/0x31
Oct 25 04:45:02 desktop kernel:  [<c0136fef>] shrink_slab+0x12f/0x18a
Oct 25 04:45:02 desktop kernel:  [<c013803b>] balance_pgdat+0x1c4/0x29c
Oct 25 04:45:02 desktop kernel:  [<c0138207>] kswapd+0xf4/0xf6
Oct 25 04:45:02 desktop kernel:  [<c01242ee>] kthread+0x79/0xa1
Oct 25 04:45:02 desktop kernel:  [<c0100d19>] kernel_thread_helper+0x5/0xb
Oct 25 04:45:02 desktop kernel: Code: 00 55 89 e5 75 07 e8 de fd ff ff eb 05 e8 bd fe ff ff 
c9 c3 55 85 c0 89 e5 53 89 c
3 74 58 83 bb 70 01 00 00 20 8b 80 cc 00 00 00 <8b> 40 20 75 08 0f 0b 73 04 e6 94 30 c0 85 
c0 74 0b 8b 50 14 85
Oct 25 04:45:02 desktop kernel: EIP: [<c0160620>] iput+0x17/0x65 SS:ESP 0068:f7cf5e80

--------------------------------------------------------------------------------------

Problems seemt to have started  when I added at start of summer, a SIL 3112A SATA controller
and a WD 250GB WD2500SD-01K Rev: 08.0 250GB SATA disk.


-- 
Ben Duncan   - Business Network Solutions, Inc. 336 Elton Road  Jackson MS, 39212
"Never attribute to malice, that which can be adequately explained by stupidity"
        - Hanlon's Razor

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